填空题
使用VC6打开考生文件夹下的工程test26_1,此工程包含一个源程序文件test26_1.cpp,但该程序运行有问题,请改正
函数中的错误,使该程序的输出结果为:
Values are: 1,2 and 3
源程序文件test26_1.cpp清单如下;
#include <iostream.h>
class CommonBase
{
public:
int x;
};
/*****************found*****************/
class DeriveCommonA::public CommonBase
{
public:
int y;
};
class DeriveCommonB:public CommonBase
{
public:
int z;
};
/*****************found*****************/
class Overlapping:public DeriveCommonA; public DeriveCommonB
{
public:
void Display()
{
cout<<"Values are: "<<DeriveCommonA::x<<", "<<y<<" and "<<z<<end1;
}
};
int main ( )
{
Overlapping ov;
/*****************found*****************/
ov.x=1;
ov.y=2;
ov.z=3;
ov.Display();
return 0;
}
【参考答案】
(1)错误:class DeriveCommonA::public CommonBase 正确:class Deri......
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